Home / 48,348.23-72,520.82-13,287.58

Finding the Fourth Proportional to 48,348.23, 72,520.82 and 13,287.58

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Solution

The fourth proportional to 48,348.23, 72,520.82 and 13,287.58 is: 19,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,348.23 : 72,520.82 = 13,287.58 : x
  2. Step 2: Convert to fraction form
    48,348.23/72,520.82 = 13,287.58/x
  3. Step 3: Cross multiply
    48,348.23x = 72,520.82 × 13,287.58
  4. Step 4: Simplify right side
    48,348.23x = 963,626,106.76
  5. Step 5: Solve for x
    x = 963,626,106.76/48,348.23
  6. Step 6: Final answer
    x = 19,930.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.